21323966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1997}}^1$

素因数の和:2299

約数の個数: 16

約数和(自身を含む): 33806160

約数和(自身を除く): 12482194

約数列:

[1, 2, 19, 38, 281, 562, 1997, 3994, 5339, 10678, 37943, 75886, 561157, 1122314, 10661983, 21323966]

約数ペア:

[(1, 21323966), (2, 10661983), (19, 1122314), (38, 561157), (281, 75886), (562, 37943), (1997, 10678), (3994, 5339)]